/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: ZhongJinTao
 * Date: 2024-09-15
 * Time: 9:43
 */
public class Main {
    public static void main(String[] args) {
        Solution solution = new Solution();
        solution.alienOrder(new String[]{"wrt","wrf","er","ett","rftt"});
    }
}